Hard Rock Hotel Casino

Wall Street's endless parade of buyouts and mergers, divisions and revisions has created a tangled landscape in which companies that are famous for one thing often own brands that are completely different -- or even diametrically opposed. Here are seven of our favorite mismatches.

Pool clubs have become ubiquitous in Las Vegas. With dance-floor-packing DJs and islands adorned with stripper poles, they are the daytime versions of Sin City's famously profitable nightclubs, and they are transforming its once money-losing swimming pools into cash cows.